A hands-on approach introduces young scientists to ramps and wedges. Science theory and practical, fun projects teach the physics and the technology behind this

Have a Yabba-Dabba-Doo day with Fred Flintstone as he explains how a wedge works! Fred shows readers the Flintstone way of using simple machines in everyday sit

Have a Yabba-Dabba-Doo day with Fred Flintstone as he explains how an inclined plane works! Fred shows readers the Flintstone way of using simple machines in ev

A hands-on approach introduces young scientists to the lever. Science theory and practical, fun projects teach the physics and the technology behind this simple

A hands-on approach introduces young scientists to wheels and axles. Science theory and practical, fun projects teach the physics and the technology behind this